10月15日参与两融交易的投资者数量为43.14万名，环比减少11.49万名

Core Insights - The number of investors participating in margin trading decreased significantly, with a drop of 114,900 from the previous trading day, representing a 21.03% decline [1] Summary by Categories Investor Participation - As of October 15, the total number of investors engaged in margin trading was 431,400 [1] - The number of individual investors involved in margin trading reached 7,714,800, while institutional investors totaled 50,203 [1] Margin Debt - The count of investors with margin debt stood at 1,823,900 as of October 15 [1]